libusb: Fix high CPU usage in callback thread#783

Merged

Youw merged 10 commits intoconnection-callbackfrom

copilot/optimize-hidapi-thread-wait

Apr 24, 2026

Commits on Mar 30, 2026

Initial plan
Copilot
committed
Fix callback_thread CPU overhead by using proper condition variable pattern

Copilot
and
Youw
committed
Remove build artifacts from tracking, add build/ to .gitignore

Copilot
and
Youw
committed
Apply suggestion from @Youw
Youw
authored
Add clarifying comment explaining hotplug_cbs is already NULL before signal

Copilot
and
Youw
committed
Move devs init into callback_thread; enumerate locally for ENUMERATE flag

Copilot
and
Youw
committed
Fix double-enumeration: restore devs init before threads, use it for ENUMERATE

Copilot
and
Youw
committed
Fix race condition in libusb hotplug: protect devs with mutex in process_hotplug_event

Copilot
and
Youw
committed

Commits on Mar 31, 2026

Merge branch 'connection-callback' into copilot/optimize-hidapi-thread-wait
Youw
authored

Commits on Apr 24, 2026

Fix devs cleanup: protect teardown under hid_hotplug_context.mutex

Youw
and
claude
committed